<section>
	<h3>justify-content: space-around</h3>
	<div class="wrap" style="width: 600px;">
		<div data-style="display: flex; justify-content: space-around; margin-left: -10px;">
			<div data-style="flex-grow: 1; padding-left: 10px;">
				<div class="item">a1</div>
			</div>
			<div data-style="flex-grow: 1; padding-left: 10px;">
				<div class="item">a2</div>
			</div>
			<div data-style="flex-grow: 1; padding-left: 10px;">
				<div class="item">a3</div>
			</div>
		</div>
	</div>
</section>
